I Tested Opus 5.5 at Every Effort Level. What You Need to Know.

I Tested Opus 5.5 at Every Effort Level. What You Need to Know.

🎙 Nate Herk 👥 1.0M 📅 September 24, 2026 ⏱ 26 min 👁 2K 📄 original study 🧭 2026-09-24
Available in: English (current) Français

Keywords

AIClaudeeffortcosttokens

Summary

The video documents a systematic test of Anthropic’s Claude Opus 5.5 across six effort levels (low, medium, high, extra, max, ultracode) using an identical prompt to create a 3D explorable conference world. The creator compares output quality, runtime, estimated API cost, token usage, number of verification checks, and questions asked during each run. He finds that medium and high effort provide good value, while extra is his personal favourite for this complex creative task, despite being more expensive. Max and ultracode are significantly more costly and time-consuming without proportional improvements in output quality; in fact, the most expensive run (ultracode) did not yield the best result. The video includes a breakdown of costs and performance, highlighting that even low effort produced a usable if rough result, and that the model’s performance varies non-linearly with effort. The creator recommends starting at medium effort and scaling up or down based on task complexity. The content includes a sponsored segment from Hostinger, which is clearly identified, and the test is conducted in a practical, hands-on manner.

173 words

Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable empirical data on the cost-benefit trade-offs of different AI effort settings, directly relevant for practitioners deciding how to allocate resources. The argumentation is coherent: the creator uses a consistent prompt, measures objective metrics like runtime, tokens, and cost, and systematically documents observations of output quality. His personal evaluation of the generated worlds is subjective but transparent, and he supports his preference for specific effort levels with concrete examples. The main limitation is the lack of repeated trials and statistical analysis; a single run per effort level means results could be due to chance. Nevertheless, the comparative approach offers practical insights that are generally compelling and actionable.

Scientific Rigor, Source Quality, Title Accuracy

The video is not a rigorous scientific study but a practical engineering test. The methodology is explained clearly, and the creator reports all quantitative data (runtime, cost, tokens, checks). However, quality assessment relies on the creator’s personal aesthetic and usability judgments, which are not quantified. No external scientific sources are cited; the description links primarily to the creator’s own resources and a sponsor (Hostinger). The title accurately represents the content, and the video does not overstate its claims. The inclusion of a sponsored segment is transparent and does not bias the experimental results, which were conducted independently of the sponsor. Overall, the intellectual rigor is moderate, appropriate for its purpose of providing practical guidance to AI tool users.

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Title / Content Match

The title accurately reflects the content; the video systematically tests Opus 5.5 across all effort levels in an identical prompt scenario.

Quality & Reliability

6/10

The video presents a structured comparison of AI effort levels with quantitative metrics (runtime, cost, tokens, checks) but relies on a single subjective evaluation of output quality, limiting generalizability.

Chapters

Cited Sources

External References

Contribution & Novelties

The video’s original contribution lies in its systematic head-to-head comparison of all six effort levels of a state-of-the-art AI model using a single, complex creative prompt, providing concrete cost and quality data that is rarely presented in such a structured manner. It challenges the notion that higher effort always yields better results, highlighting diminishing returns and the importance of task-specific tuning.

Pour aller plus loin :

  • Anthropic Extended Thinking Documentation — Official documentation on enabling and configuring extended thinking in Claude models, directly relevant to effort levels and token usage.
  • Chain-of-Thought Prompting on Wikipedia — Background on a reasoning technique that informs how AI models allocate computation, useful for understanding the ’thinking’ component behind effort levels.
  • Anthropic Pricing Page — Price per token for Claude models, essential for evaluating the cost breakdowns presented in the video.

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Radar Profile

The scores form a relatively balanced radar, with quantity of information and technical level slightly elevated, while reliability is lower due to the subjective quality assessment. The overall profile suggests a hands-on, practical resource that is informative but not scientific.

Reliability 6/10